18888064

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11351}}^1$

素因数の和:11378

約数の個数: 32

約数和(自身を含む): 40526640

約数和(自身を除く): 21638576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11351, 22702, 45404, 90808, 147563, 181616, 295126, 363232, 590252, 726464, 1180504, 1452928, 2361008, 4722016, 9444032, 18888064]

約数ペア:

[(1, 18888064), (2, 9444032), (4, 4722016), (8, 2361008), (13, 1452928), (16, 1180504), (26, 726464), (32, 590252), (52, 363232), (64, 295126), (104, 181616), (128, 147563), (208, 90808), (416, 45404), (832, 22702), (1664, 11351)]